Project Number Date
test_Tails_ISO_20666-whisperback-search 5 18 Nov 2024, 13:40

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 11:20.585 Passed
Tags: @product @slow @not_release_blocker
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
Tags: @product @slow @not_release_blocker
20.171
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.914
And I prepare Tails for memory erasure tests 0.475
When I start a process allocating 128 MiB of memory with a known pattern 2.323
Then patterns cover at least 128 MiB in the guest's memory 3.348 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.248
Then I find very few patterns in the guest's memory after 3 seconds 5.861 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.735
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.442
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.930
And I prepare Tails for memory erasure tests 0.442
And I find very few patterns in the guest's memory 2.978 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.985
Then patterns cover at least 99% of the test FS size in the guest's memory 3.152 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.670
Then I find very few patterns in the guest's memory after 3 seconds 6.283 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.713
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.085
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.851
And I prepare Tails for memory erasure tests 0.406
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.952
Then I find very few patterns in the guest's memory 3.003 
Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.962
Then patterns cover at least 75% of the test FS size in the guest's memory 3.393 
Pattern coverage: 94.970% (121 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.637
Then I find very few patterns in the guest's memory after 3 seconds 6.557 
Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)
# read cache
When I mount the USB drive again 0.254
And I read the content of the test FS 0.736
Then patterns cover at least 99% of the test FS size in the guest's memory 3.841 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.592
Then I find very few patterns in the guest's memory after 3 seconds 5.897 
Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)
After features/support/hooks.rb:326 1.106
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.565
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.876
And I prepare Tails for memory erasure tests 0.437
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.562
Then I find very few patterns in the guest's memory 2.452 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.847
Then patterns cover at least 99% of the test FS size in the guest's memory 2.832 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.941
Then I find very few patterns in the guest's memory after 3 seconds 5.510 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 6.310
And I read the content of the test FS 0.469
Then patterns cover at least 99% of the test FS size in the guest's memory 3.048 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.785
Then I find very few patterns in the guest's memory after 3 seconds 5.490 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 0.803
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.817
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.034
And I prepare Tails for memory erasure tests 0.404
When I fill a 128 MiB file with a known pattern on the root filesystem 15.035
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.942
Then patterns cover at least 128 MiB in the guest's memory 2.653 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.729 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.521
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:45.503
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:58.598
And I prepare Tails for memory erasure tests 0.427
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.273
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.191 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 3.459
After features/support/hooks.rb:100 0.012